EP1008017B1 - Verfahren zum betreiben eines druckers mit zwei druckwerken - Google Patents

Verfahren zum betreiben eines druckers mit zwei druckwerken Download PDF

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Publication number
EP1008017B1
EP1008017B1 EP97947019A EP97947019A EP1008017B1 EP 1008017 B1 EP1008017 B1 EP 1008017B1 EP 97947019 A EP97947019 A EP 97947019A EP 97947019 A EP97947019 A EP 97947019A EP 1008017 B1 EP1008017 B1 EP 1008017B1
Authority
EP
European Patent Office
Prior art keywords
sheet
shunt
shaped material
printing
printing unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97947019A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1008017A1 (de
Inventor
Georg BÖHMER
Joseph Dietl
Hans Hahn
Bernward Heller
Hubert Mugrauer
Otto Olbrich
Reinhold Rigauer
Otto Rotheimer
Rudolf Seeberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Production Printing Germany GmbH and Co KG
Original Assignee
Oce Printing Systems GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oce Printing Systems GmbH and Co KG filed Critical Oce Printing Systems GmbH and Co KG
Priority to EP99113944A priority Critical patent/EP0957409A1/de
Publication of EP1008017A1 publication Critical patent/EP1008017A1/de
Application granted granted Critical
Publication of EP1008017B1 publication Critical patent/EP1008017B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
    • G03G15/231—Arrangements for copying on both sides of a recording or image-receiving material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00016—Special arrangement of entire apparatus
    • G03G2215/00021—Plural substantially independent image forming units in cooperation, e.g. for duplex, colour or high-speed simplex

Definitions

  • the invention relates to a method for operating a Printer or copier, in which a first electrographic Printing unit, which has an image pattern on a sheet Material prints sheet-like over an input section Material is fed one after the other, and in which the printed material one by one via an output section is issued.
  • a printer is known from US Pat. No. 4,587,532 arranged on top of each other has three printing units that together or alternately print single sheets.
  • the paper feeder contains switches to the single sheets the different To supply printing units.
  • DE 34 22 942 A1 describes a printing system which owns two electrophotographic printing stations. at If a fault occurs in a printing station, the relevant printing station switched off, the other Printing station continues its operation.
  • WO 91/13386 describes a modular structure electrophotographic printing device known, which two Contains printing modules.
  • the print modules can be operated in simplex mode work, with both printing modules single sheets over switches be fed. Duplex operation is also possible with which the single sheets first to the one printing module Printing can be supplied with a first printed image; then another can be made by the second printing module Print image can be applied.
  • the print modules are as separate units for mounting in a single housing designed.
  • DE 34 07 847 A1 is an image recording device described with multiple functions. It's the functions such as. High-speed recording, two-sided recording and multiplex recording possible.
  • the Printer system contains two printing units, one over the other Paper guide system are interconnectable.
  • the Paper guide system also allows turning Cut sheets so that a duplex printing with both Sides is possible.
  • US 4,972,236 also describes an imaging system with multiple printing units that vertical to save space are arranged one above the other.
  • the paper transports for both printing units by one Connection channel connected to each other.
  • a printing system which in contains essentially similarly constructed printing units. Each a separate input section is assigned to the printing units, over the sheet material fed to the respective printing unit becomes. If one of the printing units fails, for example at a paper jam within the transfer area of a printing unit, the second printing unit must be removed from the associated paper input tray to be served.
  • the disadvantage of this arrangement is that two input compartments must be provided in order to The device is ready for operation in the event of a printing unit failure to be able to maintain. For example, the lower one falls Printing unit out due to a paper jam and is in the upper one Printing unit the associated input tray empty, then the Print layout completely.
  • two become essential similarly designed printing units are used.
  • the components for these printing units e.g. the electronic control, the developer units, the toner supply and discharge devices etc., can be kept almost unchanged become. So each printing unit on its own has a very special one high operational reliability.
  • Both printing units use one common input section over which the sheet material is fed. Likewise, both printing units use together an output section for discharging the printed sheet Material. This makes the new device: very compact built and can be produced with little effort. Because of the two printing units, the printing performance is clear elevated.
  • the first switch when the first printing unit or if the second printing unit is faulty, the faulty printing unit switched off, the first switch only leaf-shaped Feeds material to the undisturbed printing unit. With the help of A print shop that is not disturbed can therefore still operate be maintained so that print jobs by Arrival of the repair service can be processed.
  • Pred. P1 x (1-P2) x 2 + P1 x P2, in which Pred. is the function probability of the entire printing system or copying system, P1 is the function probability of the first printing unit and P2 is the function probability of the second printing unit.
  • the input section a switch that contains sheet-like material either the first transfer printing route or the second Transfer printing transport route feeds.
  • the simplex printing mode is implemented with one color, i.e. supplied sheet material, e.g. Cut sheets Paper is from the first printing unit or from the second printing unit printed on one side.
  • the Soft sheet material alternating the first transfer printing route and the second transfer printing transport path. Because every The sheet-like printing unit with the same transfer printing speed Material printed and two printing units arranged in parallel are, the overall printing performance doubles Device. Single sheets with double Printing speed fed and removed again.
  • Another exemplary embodiment provides that the first transfer printing transport route and through the second transfer printing path a connecting channel are connected, through which leaf-shaped Material in one or both transport directions is eligible. These measures can cause printed material from the first printing unit to the second printing unit and from the second Printing unit to be fed to the first printing unit to it print. A return is therefore through the connecting channel created which the two printing units together connects, which enables diverse printing processes.
  • leaf-shaped Material during transport from the first transfer printing path to second transfer printing transport path is turned.
  • each printing unit the front and also the back printing on a single sheet.
  • Developer stations with different colors used so there can be two on each side of the single sheet Image patterns can be printed with two different colors, i.e. it can do a so-called two-color duplex operation, too Called duplex color spot operation.
  • a high-performance printer 10 is shown in FIG for fast printing of single sheets of paper.
  • the high performance printer 10 includes a first, lower one Printing unit D1 and a second, upper printing unit D2. Both Printing units D1, D2 work according to the known electrographic Process with the same transfer printing speed.
  • the Fixing devices are connected downstream of printing units D1, D2, schematically in Figure 1 by two pairs of rollers 12, 14th are indicated.
  • High-performance printer 10 On the output side is to High-performance printer 10 connected to a paper output 30, which contains a plurality of output containers 32 to 36. Furthermore are two output channels 38, 40 are provided, via the single sheets can be issued to processing stations. The high-performance printer 10 gives the printed single sheets via the output section 42.
  • Transport routes are located inside the high-performance printer 10 arranged for the transport of the single sheets through which different operating modes of the high-performance printer become.
  • the printing units D1, D2 are transfer printing transport routes 44, 46 assigned, each by drives are set so that the single sheets fed to the Printing units D1, D2 have their transfer printing speed. Both Transfer printing transport paths 44, 46 are via a connecting channel 48 connected to each other.
  • the transport route around the first Printing unit D1 is in a ring through a feed channel 50 added, about which also single sheets from the input section 28 can be fed to the second transfer printing transport path 46.
  • the transport route for the second printing unit D2 is similar Supplemented into a ring by a discharge channel 52, over the single sheets printed by the printing unit D1 to the output section 42 can be supplied.
  • first switch W1 arranged, which enables cut sheets from the input section 28 optionally the first transfer printing transport path 44 or be fed to the feed channel 50.
  • Another variant is that on the feed channel 50 in the direction the switch W1 transported single sheets on the first transfer printing path 44 can be supplied.
  • a second switch W2 and a third switch W3 arranged at the ends of the connecting channel 48 and connect the adjacent transport routes 44, 48, 52 or 46, 48, 50.
  • a fourth turnout W4 is nearby of the output section 42 and connects the adjacent ones Transport routes.
  • the paper output 30 contains a fifth switch W5, which works as a turning device. Furthermore is still to point to a control device 54, which via a Soft W6 reject single sheets are fed.
  • FIG. 2 shows schematically the simplex printing with only one Printing unit shown. With this simplex print only one Printed on one side of a single sheet.
  • the single sheet arrives via the input section 28 and the corresponding switched Switch W1 along arrow P1 to the first transfer printing path 44 and is printed on the printing unit D1. Then will the single sheet along the discharge channel 52 (arrow P2) the output section 42 is output to the paper output 30 (Arrow P3).
  • FIG. 3 shows the simplex printing with the upper, second printing unit D2.
  • the single sheet is transported via the Feed channel 50 (arrow P4), the second transfer printing transport path (Arrow P5) to paper output 30 (arrow P6).
  • FIG 4 shows schematically the transport of the Single sheets.
  • the switch W1 leads alternately to the feed channel 50 or the first transfer printing path 44 single sheets to (arrows P7, P8).
  • the single sheets are on their transport up to the printing units D1, D2 on transfer printing speed braked, there each printed on the front and then further promoted to switch W4.
  • the switch W4 issued at a distance from each other and in the Paper output 30 in sequence with at least double Transfer printing speed transported according to arrow P11 can be.
  • alternating simplex printing is therefore provided according to the invention that in the paper input 16 the single sheets for the input section 28 with at least twice the transfer speed of the printing units D1, D2 be fed.
  • too Single sheets also at least twice the speed promoted and filed. Through these measures meet the single sheets at the common input section 28 and at the common output section 42 without that a collision of single sheets and consequently a paper jam can occur.
  • the transport routes are preferred for the single sheets fed to the first printing unit D1 and the single sheets fed to the second printing unit D2 are symmetrical designed or at least the same length, so that on both Transport routes the single sheets with the same speed profile can be slowed down and accelerated. This makes it possible to have the necessary for transportation Build drives and devices in the same way. Farther it is possible to use similar controls.
  • FIG. 5 shows schematically the duplex printing operation in which the single sheets are printed on both sides.
  • the input section 28 single sheets are fed by the first switch W1 fed to the first transfer printing transport path 44 (Arrow P13).
  • the respective single sheet After printing by the printing unit D1 the respective single sheet a turning distance according to the arrow P14 conveyed beyond the turnout W2. This turning range is part of the discharge channel 52.
  • the conveying direction reversed according to arrow P15, and the switch W2 conducts then the single sheet according to arrow P16 in the connection channel 48.
  • the single sheet is then in the turnout W3 Direction of arrow P17 to the second transfer printing path 46 diverted.
  • the printing unit D2 is therefore not yet printed Back of the single sheet fed for printing.
  • the switch W2 works as a turning device, around the printing unit D2 the back of the single sheet supply.
  • the turnout W3 can also be used be used.
  • the single sheet leaving the printing unit D1 is then on the switch W2, the connecting channel 48th the turnout W3 and then for a short turning distance the feed channel 50 in the direction of the switch W1.
  • the transport direction is reversed and the switch W3 directs the single sheet in the direction of the printing unit D2 with its back up.
  • FIG. 6 schematically shows a further operating mode, the two-color simplex printing, where the front of a single sheet printed with two image samples of different colors becomes.
  • the two printing units D1, D2 print different image patterns Colour.
  • two-color simplex printing the single sheet is turned over to the switch W1 Printing unit D1 fed (arrow P25). Then that will Single sheet over the switch W2 the connecting channel 48 without Turn and then fed to the printing unit D2 via the switch W3 (Arrows P26, P27).
  • the printing unit D2 prints the front with a different color from the printing unit D1 Colour. Then the single sheet is on the switch W4 output to paper output 30 (arrow P28).
  • Figure 7 shows schematically the transport path of a single sheet in the two-color duplex printing mode, in which the Front and back of a single sheet with picture patterns different colors can be printed. requirement for this is that the printing units D1 and D2 have different colors Print images.
  • Arrows P25, P26, P27 and P28 illustrate the transport route. Then the cut sheet again fed to the printing unit D1.
  • the arrows P29 up to P36 illustrate the transport path of the single sheet for printing on the back. So that this back of the printing unit D1 is fed must on the transport route between the Printing unit D2 and printing unit D1 turned the single sheet become. This turning can e.g. on the turnout W4, the turnout W2 or the switch W3.
  • turning with the turnout W4 i.e. the single sheet is initially for a short turning distance towards the Soft W5 transported, then the transport direction reversed and conveyed the single sheet in the direction of the switch W2.
  • the transport direction reversed and conveyed the single sheet in the direction of the switch W2.
  • After transport into the paper output 30 according to the Arrow P36 is followed by further turnouts W5 and then the right-sided filing of the double-sided with two color images each of a printed single sheet.
  • Two-color duplex printing can be done in the following manner.
  • the cut sheet is fed from the input section 28 the switch W1 fed to the printing unit D1, its front printed and then over turnouts W2 and W3 headed briefly towards the turnout W1.
  • After passing the switch W3 becomes the transport direction in the direction Printing unit D2 changed and the single sheet on the transfer printing transport route 46 funded.
  • the switch W3 thus serves as a turning station.
  • the back of the Single sheet printed.
  • the single sheet is over the Switches W4, W2, W3 and W1 again fed to the first printing unit D1, to now print on the back.
  • the single sheet must be used for this.
  • switch W4 being conveyed briefly towards switch W5, the direction of transport reversed and in the direction of turnout W2 Condition is transported.
  • the switches W2 and W3 fed to the printing unit D2 it is turned. Now the front side of the printing unit D2 printed. Then the single sheet over the switch W4 led to storage compartments 32 to 36. Now that it's in the correct position, i.e. upside down in the tray 30 arrives, it does not have to be turned through the turnout W5 again become.
  • the duplex printing mode with printing on the front and the back of the cut sheets can fail if one Printing unit D1 or D2 a restricted duplex printing operation be maintained. If e.g. with a duplex operation (see FIG. 5) the upper, second printing unit D2 fails, see above this is switched off. The single sheets will continue fed to the printing unit D1 via the switch W1. After that the single sheets over the second switch W2 towards the fourth Turnout W4 transported (arrow P14). After passing the second switch W2 becomes the transport direction (arrow P15) vice versa, and the single sheets over the third switch W3 and the first switch W1 again fed to the first printing unit D1. Due to the turning process by reversing the transport direction at the turnout W2 the back is now through printed the first printing unit D1. Then the leaf-shaped Material about the second switch W2 and the fourth Turnout W4 issued again.
  • the first printing unit D1 is faulty and the second printing unit D2 is still fully functional, so you can use the transport routes 46, 52 and 48 a duplex operation with the second printing unit D2 are maintained.
  • the single sheets become the second printing unit via switches W1 and W3 D2 fed.
  • the printed single sheets are over the Turnout W4 for a short section towards the turnout W5 led.
  • the transport direction is reversed and the respective one Single sheet guided in the direction of the switch W2.
  • the single sheet over the Connection channel 48 and the switch W3 the printing unit D2 again fed and now printed the back.
  • the single sheet printed on both sides is turned over the turnout W4 issued and, if necessary, turned on the turnout W5 and then stored in one of the output containers 32 to 36.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Handling Of Cut Paper (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP97947019A 1996-10-22 1997-10-22 Verfahren zum betreiben eines druckers mit zwei druckwerken Expired - Lifetime EP1008017B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99113944A EP0957409A1 (de) 1996-10-22 1997-10-22 Drucker oder Kopierer mit zwei Druckwerken und Verfahren zum Betreiben eines solchen Geräts

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19643635 1996-10-22
DE19643635 1996-10-22
PCT/DE1997/002466 WO1998018054A1 (de) 1996-10-22 1997-10-22 Verfahren zum betreiben eines druckers mit zwei druckwerken

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP99113944A Division EP0957409A1 (de) 1996-10-22 1997-10-22 Drucker oder Kopierer mit zwei Druckwerken und Verfahren zum Betreiben eines solchen Geräts

Publications (2)

Publication Number Publication Date
EP1008017A1 EP1008017A1 (de) 2000-06-14
EP1008017B1 true EP1008017B1 (de) 2002-05-02

Family

ID=7809493

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97947019A Expired - Lifetime EP1008017B1 (de) 1996-10-22 1997-10-22 Verfahren zum betreiben eines druckers mit zwei druckwerken
EP99113944A Withdrawn EP0957409A1 (de) 1996-10-22 1997-10-22 Drucker oder Kopierer mit zwei Druckwerken und Verfahren zum Betreiben eines solchen Geräts

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP99113944A Withdrawn EP0957409A1 (de) 1996-10-22 1997-10-22 Drucker oder Kopierer mit zwei Druckwerken und Verfahren zum Betreiben eines solchen Geräts

Country Status (6)

Country Link
US (1) US6101364A (ja)
EP (2) EP1008017B1 (ja)
JP (1) JP4253690B2 (ja)
CA (1) CA2269811C (ja)
DE (2) DE19781182B4 (ja)
WO (1) WO1998018054A1 (ja)

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JP4146901B2 (ja) * 1996-10-22 2008-09-10 オーセ プリンティング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ２つの印刷装置を備えたプリンタ
WO1999009458A1 (de) 1997-08-13 1999-02-25 OCé PRINTING SYSTEMS GMBH Druck- oder kopiergerätesystem zum performanceangepassten erstellen einer vorgegebenen blattfolge von monochrom und/oder farbig bedruckten einzelblättern
EP1068560B1 (de) * 1998-03-31 2002-04-10 Océ Printing Systems GmbH Verfahren zum bedrucken von einzelblättern in gruppen nach dem duplexverfahren
DE29903717U1 (de) 1999-03-02 1999-06-24 Océ Printing Systems GmbH, 85586 Poing Vorrichtung zur Bereitstellung eines Vorrats von Einzelblättern ungleicher Dicke
US6381440B1 (en) * 2000-10-26 2002-04-30 OCé PRINTING SYSTEMS GMBH Printing system having at least three printer devices as well as method for the operation of such a printing system
JP4761630B2 (ja) * 2001-02-08 2011-08-31 株式会社ミヤコシ 表裏印字装置
US7099029B2 (en) * 2001-09-14 2006-08-29 International Business Machines Corporation Method for aligning two or more independent printing systems with a single control unit and intelligent print controllers
DE10250194A1 (de) * 2002-10-28 2004-05-13 OCé PRINTING SYSTEMS GMBH Verfahren und Vorrichtung zum Steuern eines elektrografischen Druckers oder Kopierers
US20040212846A1 (en) * 2003-04-25 2004-10-28 Baunach Christopher N. Interleaved image processing for an imaging apparatus
DE10344237A1 (de) * 2003-09-24 2005-04-28 Oce Printing Systems Gmbh Verfahren und Einrichtung zur Korrektur der Papierschrumpfung
DE10344238A1 (de) 2003-09-24 2005-04-28 Oce Printing Systems Gmbh Verfahren und Einrichtung zur Korrektur der Papierschrumpfung bei der Generierung einer Bitmap
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US7024152B2 (en) * 2004-08-23 2006-04-04 Xerox Corporation Printing system with horizontal highway and single pass duplex
US7324779B2 (en) * 2004-09-28 2008-01-29 Xerox Corporation Printing system with primary and secondary fusing devices
US7672634B2 (en) * 2004-11-30 2010-03-02 Xerox Corporation Addressable fusing for an integrated printing system
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DE102007008153A1 (de) * 2007-02-19 2008-08-21 Eastman Kodak Company Druckmaschine für einen Bogendruck
US7680448B2 (en) * 2007-12-10 2010-03-16 Xerox Corporation Printing integration system
US8099009B2 (en) * 2008-05-23 2012-01-17 Eastman Kodak Company Method for print engine synchronization
US8180242B2 (en) * 2008-05-23 2012-05-15 Eastman Kodak Company Print engine synchronization system and apparatus
US8000645B2 (en) * 2008-05-29 2011-08-16 Eastman Kodak Company Print engine productivity module inverter
US8128088B2 (en) * 2009-03-30 2012-03-06 Xerox Corporation Combined sheet buffer and inverter
US8200140B2 (en) * 2009-04-16 2012-06-12 Xerox Corporation Modular printing system having a module with a bypass path
JP2011020438A (ja) * 2009-06-16 2011-02-03 Seiko Epson Corp 記録装置
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DE102015017156B4 (de) 2015-04-30 2023-11-30 Koenig & Bauer Ag Verfahren zum Betrieb einer Transporteinrichtung zum Transport von Bogen in einer Anordnung von mehreren jeweils Bogen bearbeitenden Bearbeitungsstationen

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Also Published As

Publication number Publication date
CA2269811C (en) 2005-12-13
JP2001502815A (ja) 2001-02-27
DE59707176D1 (de) 2002-06-06
DE19781182B4 (de) 2010-06-10
US6101364A (en) 2000-08-08
EP0957409A1 (de) 1999-11-17
CA2269811A1 (en) 1998-04-30
WO1998018054A1 (de) 1998-04-30
DE19781182D2 (de) 1999-09-09
JP4253690B2 (ja) 2009-04-15
EP1008017A1 (de) 2000-06-14

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